BIIBBiogen Inc. ·Congress trades
Price as of 6:44 AM ET$243.93
▲ $87.19 (55.63%)Past year
$262.38$147.59
Nov ’25Feb ’26May ’26Aug ’26Nov ’26
BuySaledots mark the days politicians bought or sold it; days close together share a dot
55
congress trades
up to$980K
disclosed volume
29 / 26
buys / sells
10
politicians trading
5 members of Congress bought $BIIB shares since Jan 3, 2025
Who's trading $BIIB
Biggest disclosed buyers first
Amounts are the top of each disclosed range, added up. Every trade below links to its filing.
Congressional trades in BIIB
Sell (partial)$1K–$15K
Sell$1K–$15K- Buy$1K–$15K
Sell$1K–$15K
Sell$1K–$15K
Buy$1K–$15K- Sell$15K–$50K
- Sell$1K–$15K
- Buy$1K–$15K
- Buy$1K–$15K
- Buy$1K–$15K
- Buy$1K–$15K
- Buy$50K–$100K
- Buy$1K–$15K
- Sell$1K–$15K
- Sell$1K–$15K
- AABuy$1K–$15K
- Sell (partial)$1K–$15K
- Buy$1K–$15K
- Buy$1K–$15K
- Buy$1K–$15K
- Sell$1K–$15K
Buy$1K–$15K- Buy$1K–$15K
- Sell$1K–$15K
| Politician | Type | Amount | Traded | Disclosed | Filing |
|---|---|---|---|---|---|
| Maria Elvira SalazarR· FL-27 | Sell (partial) | $1K–$15K | Sep 24, 2026 | 1 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Selldependent | $1K–$15K | Sep 11, 2026 | 1 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Buyspouse | $1K–$15K | Sep 4, 2026 | 1 mo ago | Filing ↗ |
| Kevin HernR· OK-1 | Sell | $1K–$15K | Aug 18, 2026 | 2 mo ago | Filing ↗ |
| Donald J. TrumpR· US | Sell | $1K–$15K | Jun 12, 2026 | 2 mo ago | Filing ↗ |
| Gilbert Ray Cisneros, Jr.D· CA-31 | Buy | $1K–$15K | Jun 5, 2026 | 4 mo ago | Filing ↗ |
| Maria Elvira SalazarR· FL-27 | Sell | $15K–$50K | Jun 2, 2026 | 4 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Sellspouse | $1K–$15K | May 27, 2026 | 5 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Buyspouse | $1K–$15K | May 15, 2026 | 5 mo ago | Filing ↗ |
| Maria Elvira SalazarR· FL-27 | Buy | $1K–$15K | May 12, 2026 | 5 mo ago | Filing ↗ |
| Maria Elvira SalazarR· FL-27 | Buy | $1K–$15K | May 11, 2026 | 5 mo ago | Filing ↗ |
| Donald J. TrumpR· US | Buy | $1K–$15K | May 11, 2026 | 4 mo ago | Filing ↗ |
| Maria Elvira SalazarR· FL-27 | Buy | $50K–$100K | May 11, 2026 | 5 mo ago | Filing ↗ |
| Donald J. TrumpR· US | Buy | $1K–$15K | Apr 15, 2026 | 4 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Sellspouse | $1K–$15K | Apr 13, 2026 | 5 mo ago | Filing ↗ |
| Donald J. TrumpR· US | Sell | $1K–$15K | Apr 10, 2026 | 4 mo ago | Filing ↗ |
AA Alan ArmstrongR· OK | Buy | $1K–$15K | Mar 27, 2026 | 3 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Sell (partial)spouse | $1K–$15K | Feb 6, 2026 | 8 mo ago | Filing ↗ |
| Gilbert Ray Cisneros, Jr.D· CA-31 | Buy | $1K–$15K | Jan 30, 2026 | 8 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Buyspouse | $1K–$15K | Jan 29, 2026 | 9 mo ago | Filing ↗ |
| Ro KhannaD· CA-17 | Buydependent | $1K–$15K | Aug 26, 2025 | 1y ago | Filing ↗ |
| Ro KhannaD· CA-17 | Selldependent | $1K–$15K | May 19, 2025 | 1y ago | Filing ↗ |
| Robert P. Bresnahan, Jr.R· PA-8 | Buy | $1K–$15K | May 15, 2025 | 1y ago | Filing ↗ |
| Ro KhannaD· CA-17 | Buyspouse | $1K–$15K | Apr 23, 2025 | 1y ago | Filing ↗ |
| Robert P. Bresnahan, Jr.R· PA-8 | Sell | $1K–$15K | Apr 8, 2025 | 1y ago | Filing ↗ |
10 politicians have traded $BIIB
See exactly what they buy the night they file, and copy it in your own brokerage.